CN101367666B - Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof - Google Patents
Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof Download PDFInfo
- Publication number
- CN101367666B CN101367666B CN2008101688225A CN200810168822A CN101367666B CN 101367666 B CN101367666 B CN 101367666B CN 2008101688225 A CN2008101688225 A CN 2008101688225A CN 200810168822 A CN200810168822 A CN 200810168822A CN 101367666 B CN101367666 B CN 101367666B
- Authority
- CN
- China
- Prior art keywords
- mullite
- percent
- commercially available
- raw material
- emulsion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a large and special shape porzite-corundum series sintering fire proof material product and a manufacturing technique thereof, and the product formulation comprises: 48 to 56 percent of porzite 5 to 1mm, 12 to 22 percent of the porzite or three stone 1 to 0.088mm, 16 to 25 percent of the porzite and three stone fine powder d90 less than 0.088mm, 0 to 18 percent of aluminafine powder d90 less than 0.088mm, 0 to 5 percent of alumina micro powder d95 less than 0.020mm, 0 to 5 percent of zirconium quality micro powder d95 less than 0.015mm, 2 to 5 percent of silicon ash, 2 to 6 percent of alumina hydrate less than 0.088mm, 0 to 5 percent of magnesium additive, 0.05 to 0.4 percent of plus super-plasticizer (polycarboxylic acids+sulfonated naphthalene formaldehyde polymer+sulfonated melamine polymer), 1 to 6 percent of plus polypropylene acid series latex and 1 to 6 percent of plus water. The materials can be used as fire proof material of the large and special shape porzite-corundum series sintering fire proof material product, and the like, and is used for high-temperature industry of ceramics, glass, and the like.
Description
Technical field
The present invention relates to the senior unsetting material technology manufacturing mullite-corundum of a kind of employing is the technology of large-scale, special shape sintered refractory material product; Have and be easy to be shaped, to be easy to sintering, characteristics that high-temperature behavior is good, goods such as the kiln furnitures done of products made thereby, syphon are used for hot industries such as pottery, glass.
Background technology
Mullite-corundum material is a kind of widely used refractory materials.Wherein, mullite is given the excellent mechanical behavior under high temperature of material and certain heat-shock resistance; Corundum gives material high temperature resistant, wear resisting property.Sometimes, this material can add certain zirconium white to improve heat-shock resistance.For contraction is burnt till in reduction, also available three stones (andaluzite, sillimanite and kyanite) part replaces mullite.Although make small-sized mullite-corundum refractory product and be not difficult.But technology large-scale, specially shaped mullite-corundum refractory product does not reach a standard as yet.On the one hand, product size is very big or complex-shaped, needs expensive former.On the other hand, the purity of goods is very high, is difficult to sintering.Because of firing temperature is high, firing range is narrow, defectives such as underburnt, distortion very easily appear, produce a large amount of waste products.
For addressing the above problem, the someone adopts the ultra-low cement deposit material technology, and promptly admixture cement, silicon ash, alumina powder and admixture adopt vibration shaping, through maintenance, drying, burn till and make large-scale, specially shaped mullite-corundum refractory product.Generally, the CaO content of ultra-low cement deposit material should reach 0.7-1.0% at least and could obtain enough speed of applications and demoulding strength.Like this, though solved the shaping problem, but introduced the eutectic material.Corresponding, the initial melting temperature of material is from A
3S
2-Al
2O
3The system 1810 ℃, reduce to A
3S
2-Al
2O
3-CAS
2The system 1512 ℃, make the high-temperature behavior of material receive very big infringement.
For improving high-temperature behavior, but the someone adopts silicon sol or ALUMINA HYDRATE to make wedding agent.Silicon sol is nano level SiO
2Colloidalmaterial, solids content is 25-30%, these are tiny, dispersive SiO
2Particle is difficult to polymerization becomes the HS material.During curing, the silicon sol drying shrinkage is bigger.After the curing, generate loose porous material, be difficult to obtain enough carrying intensity by the bonded refractory materials.But ALUMINA HYDRATE is a kind of with ρ-Al
2O
3It is the main aluminum oxide steady crystalline mixture that is situated between.Need water big but some ALUMINA HYDRATEs are shaped, initial set is fast, sclerosis is slow, demoulding strength particularly in after warm processings intensity low.Usually, but silicon sol or ALUMINA HYDRATE combine mould material also to need the admixture solidifying agent.Some silicon sol or ρ-Al
2O
3Be actually ultra-low cement deposit material in conjunction with mould material, its CaO content range is 0.4-0.7%.Because of there being eutectic more, the material at high temperature performance is still not ideal enough.
Summary of the invention
The objective of the invention is to invent a kind of large-scale, specially shaped mullite-corundum system sintered refractory material product and production technique thereof; Through adopting novel coupling system to solve the contradiction between unshape refractory workability and the high-temperature behavior; Making mullite-corundum is that unsetting material obtains the characteristic that speed of application is fast, hardening strength is high and high-temperature behavior is good simultaneously, thereby can utilize this unshape refractory to produce to be used for the Al of large-scale, the Idiotype of hot industry
2O
3-SiO
2-ZrO
2The series refractory material goods.
The coupling system that the present invention proposes belongs to a kind of new organic-inorganic composite junction compound system: but normal temperature through ROHM and ALUMINA HYDRATE, contain the reaction of Natural manganese dioxide material, generate ROHM aluminium (magnesium) polymer and produce and combine.After the thermal treatment, above-mentioned polymer decomposes, and organic constituent burns and loses, and inorganic component becomes materials such as activated alumina.With the silicon ash that adds in advance solid state reaction taking place through activated alumina produces mullite bonded; Or combine phase in the middle of forming earlier trichroite etc., form mullite-magnesium-aluminium spinel then and combine phase.Because A
3S
2-Al
2O
3The initial melting temperature of-MA system is 1578 ℃, and the volume of MgO has seldom, and the volume that has is zero.So material not only has good shaping, demolding performace, its high-temperature behavior also improves a lot than ultra-low cement deposit material.
Seeing that more than, the compatibility of invention is:
Mullite 5-1mm 48-56%
Mullite or three stone 1-0.088mm 12-22%
Mullite and three stone fine powder d
90＜0.088mm 16-25%
Aluminum oxide fine powder d
90＜0.088mm 0-18%
Alumina powder d
95＜0.020mm 0-5%
Zirconium matter micro mist d
95＜0.015mm 0-5%
Silicon ash 2-5%
But ALUMINA HYDRATE d
95＜0.088mm 2-6%
Magnesia auxiliary agent 0-5%
Add high efficiency water reducing agent (poly carboxylic acid+sulfonated naphthalene yuban+sulfonated melamine polymkeric substance) 0.05-0.4%
Add polyacrylic emulsion 1-6%
Add water 1-6%
Said mullite is commercially available mullite flame-proof raw material, comprises electrofused mullite and fused mullite, and is raw material synthetic high-purity mullite with the aluminum oxide and is raw material synthetic alumina base mullite with the alumina.
Said three stones are any proportioning of commercially available kyanite, andaluzite and sillimanite raw material.
Any proportioning of said " mullite or three stones " expression mullite and three stones.
Said " mullite and three stone fine powders " expression contains mullite 50-100%, three stone 50-0% by mullite and the three ball milling fine powders that get made of stones.
Said particle diameter d
90Or d
95Be respectively and account for total amount 90% small-particle in the powder and account for total amount 10% oarse-grained boundary size, or account for total amount 95% small-particle and account for total amount 5% oarse-grained boundary size.
Said zirconium matter micro mist is the micron-sized powder d that is made by commercially available desilicated zirconia or zircon raw material
50=8-2 μ m.Above-mentioned d
50For accounting for total amount 50% small-particle in the powder and accounting for total amount 50% oarse-grained boundary size.
But said ALUMINA HYDRATE is the commercially available prod, and its principal constituent is ρ-Al
2O
3The mixture of the steady alpha-alumina crystals of Jie.
Said magnesia auxiliary agent plays and improves curing speed and improve the agglomerating effect.This auxiliary agent can be magnesia powder (＜0.088mm content＞90% or a magnesia micro mist (＜0.020mm content＞95%), or any mixture of activated carbon aluminate (＜0.020mm content＞95%)." very low temperature prepares the technology of active synthetic refractory raw material " (Chinese invention patent CN 01118014.5) that this spinel can adopt the author to propose makes.
Said high efficiency water reducing agent is commercially available cement water reducing agent, comprises sulfonated naphthalene yuban high efficiency water reducing agent, sulfonated melamine polymer high efficiency water reducer, and any cooperation of polycarboxylic acid series high efficiency water reducing agent.
Said polyacrylic emulsion is commercially available building ROHM emulsion, comprises building ROHM emulsion, building vinylformic acid and acrylate copolymer emulsion and vinylformic acid-propenoate-styrene terpolymer non-ionic water-soluble emulsion.The solids content 40-60% of emulsion, typical particle diameter 0.1-0.3 μ m, pH value 6-9.
Production technique of the present invention is: each raw material makes base substrate through mixing, shaping, maintenance by above proportioning weighing, through drying again through 1400-1600 ℃ burn till, operation such as check makes large-scale or special odd-shaped fire resistive material product.
Embodiment
Embodiment 1
Adopt 5-1mm fused mullite 52%, 1-0.088mm fused mullite 15%, 1-0.088mm andaluzite 5%, d
90＜0.088mm fused mullite 17.5%, magnesia micro mist 0.5%, d
95＜0.020mm alumina powder 2%, d
95＜0.015mm desilicated zirconia 1%, silicon ash 2%, but ALUMINA HYDRATE 5%,, add polycarboxylate water-reducer 0.1%, ROHM emulsion 3%, water 3% back companion with, obtain the slurry of good fluidity.After the shaping, slurry condensed in 0.5 hour, solidified in 2 hours, can the demoulding after 12-16 hour.Dry through 110 ℃ * 24H, sample obtains the folding strength of 13MPa, the compressive strength of 45MPa; Obtain the folding strength of 18MPa again through thermal treatment in 1500 ℃ * 3 hours, the compressive strength of 61MPa is burnt till line and is changed to 0.5%, refractoriness under load T
0.6=1570 ℃.
Products made thereby has good manufacturing property and use properties, and experiment has reached predetermined purpose.
Embodiment 2
Adopt 5-1mm fused mullite 56%, 1-0.088mm electrofused mullite 15%, 1-0.088mm sillimanite 5%, d
90＜0.088mm fused mullite 9%, d
90＜0.088mm aluminum oxide fine powder 3%, d
95＜0.020mm alumina powder 2%, d
95＜0.015mm zircon 3%, silicon ash 2%, but ALUMINA HYDRATE 5%,, add polycarboxylate water-reducer 0.1%, ROHM emulsion 3%, water 3% back companion with, obtain the slurry of good fluidity.After the shaping, can the demoulding after 24-48 hour.Dry through 110 ℃ * 24H, sample obtains the folding strength of 7MPa, the compressive strength of 30MPa; Obtain the folding strength of 17MPa again through thermal treatment in 1560 ℃ * 6 hours, the compressive strength of 58MPa is burnt till line and is changed to 0.6%, refractoriness under load T
0.6=1640 ℃.
Products made thereby of the present invention has good manufacturing property and use properties, has hardening strength height, characteristic that high-temperature behavior is good.
Claims (2)
1. one kind large-scale, specially shaped mullite-corundum system sintered refractory material goods, it is characterized in that: said goods prescription is:
Said mullite is commercially available mullite flame-proof raw material, comprises electrofused mullite and fused mullite, and is raw material synthetic high-purity mullite with the aluminum oxide and is raw material synthetic alumina base mullite with the alumina;
Said three stones are any proportioning of commercially available kyanite, andaluzite and sillimanite raw material;
Any proportioning of said " mullite and three stones " expression mullite and three stones;
Said " mullite and three stone fine powders " expression contains mullite 50-100%, three stone 50-0% by mullite and the three ball milling fine powders that get made of stones;
Said aluminum oxide fine powder particle diameter d
90Or d
95Be respectively and account for total amount 90% small-particle in the powder and account for total amount 10% oarse-grained boundary size, or account for total amount 95% small-particle and account for total amount 5% oarse-grained boundary size;
Said zirconium matter micro mist is the micron-sized powder d that is made by commercially available desilicated zirconia or zircon raw material
50=8-2 μ m;
But said ALUMINA HYDRATE is the commercially available prod, and its principal constituent is ρ-Al
2O
3The mixture of the steady alpha-alumina crystals of Jie;
Said magnesia auxiliary agent plays and improves curing speed and improve the agglomerating effect, and this auxiliary agent is magnesia powder＜0.088mm content＞90% or magnesia micro mist＜0.020mm content＞95%, or any mixture of activated carbon aluminate＜0.020mm content＞95%;
Said high efficiency water reducing agent is commercially available cement water reducing agent, comprises sulfonated naphthalene yuban high efficiency water reducing agent, sulfonated melamine polymer high efficiency water reducer, and any cooperation of polycarboxylic acid series high efficiency water reducing agent;
Said polyacrylic emulsion is commercially available building ROHM emulsion; Comprise building ROHM emulsion, building vinylformic acid and acrylate copolymer emulsion and vinylformic acid-propenoate-styrene terpolymer non-ionic water-soluble emulsion; The solids content 40-60% of emulsion; Particle size range 0.1-0.3 μ m, pH value 6-9.
2. a production technique of producing the said goods of claim 1 is: each raw material makes base substrate through mixing, shaping, maintenance by above proportioning weighing, through drying again through 1400-1600 ℃ burn till, operation such as check makes large-scale, special odd-shaped fire resistive material product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101688225A CN101367666B (en) | 2008-09-28 | 2008-09-28 | Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101688225A CN101367666B (en) | 2008-09-28 | 2008-09-28 | Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101367666A CN101367666A (en) | 2009-02-18 |
| CN101367666B true CN101367666B (en) | 2012-05-23 |
Family
ID=40411697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101688225A Active CN101367666B (en) | 2008-09-28 | 2008-09-28 | Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101367666B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481255B (en) * | 2009-02-19 | 2011-09-21 | 浙江大学 | High-heat resistance shock resistant mullite bearing burning plate and preparation thereof |
| CN101503304B (en) * | 2009-03-26 | 2012-02-15 | 中钢集团洛阳耐火材料研究院有限公司 | Low temperature method for manufacturing high thermal shock superhigh temperature zircite product |
| CN101665366B (en) * | 2009-10-20 | 2012-02-22 | 瑞泰科技股份有限公司 | Composite abrasion resistant and thermal shock-resistant pouring material |
| CN101935222B (en) * | 2010-08-24 | 2013-07-03 | 中钢集团洛阳耐火材料研究院有限公司 | High-temperature corundum-porzite pushing plate and manufacture method thereof |
| CN102503459B (en) * | 2011-10-12 | 2014-09-10 | 瑞泰科技股份有限公司 | High-grade cordierite-mullite refractory material for ceramic kiln and production process thereof |
| CN102503455B (en) * | 2011-10-12 | 2014-07-02 | 瑞泰科技股份有限公司 | Castable cordierite-mullite refractory material and production technique thereof |
| CN102531646B (en) * | 2011-11-23 | 2013-11-27 | 河南中原特种耐火材料有限公司 | High-purity Al-Mg spinel brick fireproof material for float glass oxy-fuel combustion melting furnace |
| CN102491771B (en) * | 2011-12-06 | 2014-11-05 | 安徽瑞泰新材料科技有限公司 | Composite castable refractory |
| CN102633512B (en) * | 2012-04-12 | 2013-06-19 | 武汉科技大学 | Abandoned molding sand based mullite light heat insulating bricks and preparation method thereof |
| CN102757244B (en) * | 2012-06-25 | 2013-07-31 | 郑州安耐克实业有限公司 | Corundum-mullite zircon fire-proofing material and preparation method thereof |
| CN103664153B (en) * | 2013-12-11 | 2015-01-07 | 长兴宏业高科高温耐火材料有限公司 | High temperature creep resistant mullite-cordierite product and preparation method thereof |
| CN103803992A (en) * | 2013-12-27 | 2014-05-21 | 郑州汇特耐火材料有限公司 | Stone brick for garbage incinerator and preparation method thereof |
| CN104086197B (en) * | 2014-07-12 | 2016-06-08 | 瑞泰科技股份有限公司 | A kind of glass kiln andaluzite cordierite refractory material and goods thereof |
| CN104446402A (en) * | 2014-10-29 | 2015-03-25 | 安徽省皖捷液压科技有限公司 | Zircon ceramic and preparation method thereof |
| CN104446572B (en) * | 2014-12-23 | 2016-09-28 | 山东万乔集团有限公司 | A kind of high sulfur petroleum coke high-temperature calcination stove corundum-mullite brick |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323761A (en) * | 2001-07-04 | 2001-11-28 | 中国建筑材料科学研究院 | Large Al-Si system large shaped refractory products and the production process |
| CN101172847A (en) * | 2007-09-30 | 2008-05-07 | 巩义市好运祥耐材有限公司 | Pouring material for producing high-temperature ceramic abrasion-proof lining body |
-
2008
- 2008-09-28 CN CN2008101688225A patent/CN101367666B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323761A (en) * | 2001-07-04 | 2001-11-28 | 中国建筑材料科学研究院 | Large Al-Si system large shaped refractory products and the production process |
| CN101172847A (en) * | 2007-09-30 | 2008-05-07 | 巩义市好运祥耐材有限公司 | Pouring material for producing high-temperature ceramic abrasion-proof lining body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101367666A (en) | 2009-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101367666B (en) | Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof | |
| CN101434490B (en) | Composite fire resistant pouring material | |
| CN108473376B (en) | Refractory magnesium cement | |
| JP6312169B2 (en) | Manufacturing method for lightweight ceramic materials | |
| CN101423401B (en) | Composite combining corundum based refractory materials | |
| US7628951B1 (en) | Process for making ceramic insulation | |
| KR101832945B1 (en) | Use of unfired refractory products as a lining in large-volume industrial furnaces, as well as an industrial furnace lined with said unfired refractory products | |
| CN101429037B (en) | Aluminum-carbon sliding tile and method of producing the same | |
| CN101525245B (en) | High strength non-cement corundum castable material used in heating furnace | |
| CN106145976B (en) | Andalusite-mullite-silicon carbide brick for cement kiln and preparation method thereof | |
| RU2436751C2 (en) | Composition for producing refractory materials | |
| WO2018006885A1 (en) | Ceramic powder composition, straight hole ceramic filter and preparation method therefor | |
| CN101367664A (en) | Composite combined aluminum oxide-silicon carbide-(carbon) system amorphous refractory material | |
| CN103242051A (en) | Lightweight corundum-mullite castable and preparation method thereof | |
| Sarkar et al. | Formation and densification of mullite through solid-oxide reaction technique using commercial-grade raw materials | |
| CN104086198A (en) | Refractory andalusite material for glass kiln and product of refractory andalusite material | |
| CN109320224A (en) | A kind of material and preparation method thereof of high-purity cordierite combination mullite | |
| CN101434492B (en) | Large-sized special-shaped composite magnesium aluminate spinel product and technique for producing the same | |
| CN109456072A (en) | A kind of anti-skinning pouring material for cement kiln and preparation method thereof | |
| CN102503455B (en) | Castable cordierite-mullite refractory material and production technique thereof | |
| WO2011153932A1 (en) | Structure and heat insulation integrated composite brick | |
| CN101367663B (en) | Melt-out recombined composite aluminum oxide refractory materials | |
| CN104557061A (en) | Straight hole ceramic filter | |
| CN108285350B (en) | Ternary composite silicon carbide refractory material and preparation method thereof | |
| CN111875393B (en) | Sintering aid, aluminum titanate ceramic precursor, aluminum titanate ceramic, and method for producing same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |